Maintenance costs for stormwater and rainwater harvest and use/reuse practices
Link to this table

Example Maintenance Costs
Activity Frequency Annual Cost Reference
Inspection, Reporting & Information Management Semi-Annually $260 2009 WERF
Roof Washing, Cleaning Inflow Filters Semi-Annually $480 2009 WERF
Intermittent System Maintenance (System flush, debris/sediment removal from tank) Every 3 years $130 2009 WERF
Pump Replacement Every 3 years $198 2009 WERF
Cartridge Filter Annually $20-60 MPCA Cost-Benefit Considerations
Reverse Osmosis Filter Annually $400-1,500 MPCA Cost-Benefit Considerations
UV Light Disinfection Every 10,000 hours or 14 months $350-1,000; $80 to replace UV bulb MPCA Cost-Benefit Considerations
Ozone Disinfection As needed $700-2,600; $1,200+ for in-line monitor to test effectiveness MPCA Cost-Benefit Considerations
Chlorine Disinfection Monthly $1/month manual dose or a $600-3,000 automatic self-dosing system MPCA Cost-Benefit Considerations

This page was last edited on 3 August 2022, at 15:16.